Forgot to add I removed the worthless spings and crappy mounting hardware from DD and used my own hardware and no springs.

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Thermocoupler wires running under the CPU with the socket mod and the thermocoupler is attached to the bottom of the CPU.

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The thermocoupler reader. It still isn't perfect but it is better then the onboard.
I ran CPU Burn for an hour and temps showed .5C warmer on the onboard and stayed the same on the TC. The TC only reads whole numbers so it probably did go up .5C on it to.
Also note these temps are with the HydroThruster 500GPH pump at full speed. Don't have a GPH measurment at this time....